Intro to Ecology Flashcards

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1
Q

What is ecology?

A

scientific study of interactions among organisms and between organisms and their physical environment

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2
Q

List the ecological hierarchy

A

organisms, populations, community, ecosystems, biome, biosphere

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3
Q

Individual Organism

A

one member of a species

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4
Q

Species

A

group of similar organisms that can breed and produce fertile offspring

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5
Q

Population (ecology)

A

a group of individuals that belong to the same species and live in the same area

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6
Q

Community (ecology)

A

an assemblage of different populations that live together in a defined area

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7
Q

Ecosystem

A

all the organisms that live in a place, together with their physical environment

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8
Q

Biome

A

a group of ecosystems that share similar climates and typical organisms

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9
Q

Biosphere

A

our entire planet, with all its organisms and physical environments

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10
Q

Biotic factors

A

any living part of the environment

ex) animals, plants, mushrooms, bacteria

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11
Q

Abiotic factors

A

any nonliving part of the environment

ex) sunlight, wind, soil, humidity

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12
Q

What is the difference between biotic factors and abiotic factors?

A

biotic factors are living

abiotic factors are nonliving

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13
Q

Habitat

A

the general place of where an organism lives

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14
Q

Niche

A

the range of physical and biological conditions in which a species that obtains what it needs to survive and reproduce

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15
Q

What is the difference between habitat and niche?

A

habitat describes the area of which an organism lives

niche describes the prime conditions at which an organism needs to survive and reproduce

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